How do researchers determine what is true based on the data they collect? This question is one of the central concerns of statistics, which uses mathematical models to draw useful conclusions about the real world.

The USA is home to some of the world's top universities. Students can expect a diverse, innovative, and engaging student experience. The country emphasizes accessibility and quality independent research, allowing students to push the limits of their field should they want to.

American English is extremely dominant in the USA, so classes will likely be in English, with a few exceptions. This means that many schools will ask for proof of English proficiency through the TOEFL iBT test before admitting international students.

Additionally, American landscapes and environments allow students to study where they can feel comfortable. From crowded urban centers to tropical areas, the USA has it all!

Requirements for the PhD program often involve the student having already obtained a Master’s degree. Additionally, a thesis or dissertation primarily consisting of original academic research must be submitted. In some countries, this work may even need to be defended in front of a panel.

Part time learning allows one to obtain part-time degrees even if one cannot attend school on a full-time basis. One can learn at his or own pace, gradually accumulating credits which count towards final qualification.